81813248

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1709}}^1$

素因数の和:1753

約数の個数: 72

約数和(自身を含む): 188742960

約数和(自身を除く): 106929712

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 256, 272, 352, 374, 544, 704, 748, 1088, 1408, 1496, 1709, 2176, 2816, 2992, 3418, 4352, 5984, 6836, 11968, 13672, 18799, 23936, 27344, 29053, 37598, 47872, 54688, 58106, 75196, 109376, 116212, 150392, 218752, 232424, 300784, 319583, 437504, 464848, 601568, 639166, 929696, 1203136, 1278332, 1859392, 2406272, 2556664, 3718784, 4812544, 5113328, 7437568, 10226656, 20453312, 40906624, 81813248]

約数ペア:

[(1, 81813248), (2, 40906624), (4, 20453312), (8, 10226656), (11, 7437568), (16, 5113328), (17, 4812544), (22, 3718784), (32, 2556664), (34, 2406272), (44, 1859392), (64, 1278332), (68, 1203136), (88, 929696), (128, 639166), (136, 601568), (176, 464848), (187, 437504), (256, 319583), (272, 300784), (352, 232424), (374, 218752), (544, 150392), (704, 116212), (748, 109376), (1088, 75196), (1408, 58106), (1496, 54688), (1709, 47872), (2176, 37598), (2816, 29053), (2992, 27344), (3418, 23936), (4352, 18799), (5984, 13672), (6836, 11968)]